/* 这里需要对相应的地方进行适应 */
.main {
  position:relative;
}
.leftbar {
  /* width:0; */
  float:left;
  /* position:relative; */
  margin-top:4rem;
  margin-left:250;
  z-index: -1;
}

.table {
  margin-top:4rem;
  float:left;  
  z-index:-2;
}

.input {
  margin-left:2rem;
  margin-top:1rem;
}

.button {
  margin-left:2rem;
}